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From 951b6940f4cf14a4a1712e9b874e3a9c5e32befc Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Sun, 8 Mar 2020 03:44:53 -0700
Subject: [PATCH] Use compile-time macro HOST_NAME_MAX instead of run-time via
sysconf
This seems to be more portable for non-standard libcs.
---
src/addrwatch.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/src/addrwatch.c
+++ b/src/addrwatch.c
@@ -501,7 +501,7 @@ int main(int argc, char *argv[])
argp_parse(&argp, argc, argv, 0, &optind, 0);
if (!cfg.hostname) {
- cfg.hostname_len = sysconf(_SC_HOST_NAME_MAX);
+ cfg.hostname_len = HOST_NAME_MAX;
cfg.hostname = (char *)calloc(cfg.hostname_len, sizeof(char));
gethostname(cfg.hostname, cfg.hostname_len);
}
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